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Apu0200 Firmware CVE-2023-43696

CRITICAL
Improper Access Control (CWE-284)
2023-10-09 psirt@sick.de
Authentication Bypass Apu0200 Firmware
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Oct 09, 2023 - 12:15 nvd
CRITICAL 9.8

DescriptionNVD

Improper Access Control in SICK APU allows an unprivileged remote attacker to download as well as upload arbitrary files via anonymous access to the FTP server.

AnalysisAI

Improper Access Control in SICK APU allows an unprivileged remote attacker to download as well as upload arbitrary files via anonymous access to the FTP server. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. Improper Access Control in SICK APU allows an unprivileged remote attacker to download as well as upload arbitrary files via anonymous access to the FTP server. Affected products include: Sick Apu0200 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

More in Apu0200 Firmware

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CVE-2023-43700 HIGH
7.5 Oct 09

Missing Authorization in RDT400 in SICK APU allows an unprivileged remote attacker to modify data via HTTP requests that
CVE-2023-43699 HIGH
7.5 Oct 09

Improper Restriction of Excessive Authentication Attempts in RDT400 in SICK APU allows an unprivileged remote attacker t
CVE-2023-5100 MEDIUM
6.5 Oct 09

Cleartext Transmission of Sensitive Information in RDT400 in SICK APU allows an unprivileged remote attacker to retrieve
CVE-2023-43697 MEDIUM
6.5 Oct 09

Modification of Assumed-Immutable Data (MAID) in RDT400 in SICK APU allows an unprivileged remote attacker to make the s
CVE-2023-43698 MEDIUM
6.1 Oct 09

Improper Neutralization of Input During Web Page Generation (’Cross-site Scripting’) in RDT400 in SICK APU allows an unp
CVE-2023-5102 MEDIUM
5.3 Oct 09

Insufficient Control Flow Management in RDT400 in SICK APU allows an unprivileged remote attacker to potentially enable

CVE-2023-5101 MEDIUM
5.3 Oct 09

Files or Directories Accessible to External Parties in RDT400 in SICK APU allows an unprivileged remote attacker to down
CVE-2023-5103 MEDIUM
4.3 Oct 09

Improper Restriction of Rendered UI Layers or Frames in RDT400 in SICK APU allows an unprivileged remote attacker to pot

Same weakness CWE-284 – Improper Access Control

View all
CVE-2012-4681 CRITICAL POC
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CVE-2011-3544 CRITICAL POC
9.8
CVE-2012-1723 CRITICAL POC
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CVE-2012-5076 CRITICAL POC
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CVE-2014-3120 HIGH POC
8.1
CVE-2013-2423 LOW POC
3.7
CVE-2016-3427 CRITICAL
9.8
CVE-2025-12480 CRITICAL POC
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Same technique Authentication Bypass

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CVE-2023-22515 CRITICAL POC
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CVE-2012-4681 CRITICAL POC
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CVE-2013-2465 CRITICAL POC
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CVE-2011-3544 CRITICAL POC
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CVE-2012-1723 CRITICAL POC
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CVE-2017-10271 HIGH POC
7.5
CVE-2015-1427 CRITICAL POC
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CVE-2025-3248 CRITICAL POC
9.8

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CVE-2023-43696 vulnerability details – vuln.today
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